The second step is to go to the Squeezebox Server page, select Settings (lower right corner) and then the plugins tab. Scroll all the way down to the bottom and find the "​Additional repositories"​ section. Paste in the following URL in the input field:

The second step is to go to the Squeezebox Server page, select Settings (lower right corner) and then the plugins tab. Scroll all the way down to the bottom and find the "​Additional repositories"​ section. Paste in the following URL in the input field: